Thks for response. Sorry 4 delay. I have been trouble-shooting.
Answers to your questions.
How long have you been running 18.3 ?
Ans: Apr 2016.... from the date of the first kernel shown in the Update Manager.
Has this problem occurred since updating the kernel ?
Hi there All:
Appreciate if any user can tell me solution.
OS: linux Mint 18.3
4.15.0-70-generic #79~16.04.1-Ubuntu SMP Tue Nov 12 14:01:10 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
Memory: RAM 8G
Plse see captured attached screenShot.
Occurrence: Spontaneous, anytime...